Electromagnetic Field Theory Poyniting vector has the dimensions Watt × metre2. Watts/metre2. Watt × metre. Watt/metre. Watt × metre2. Watts/metre2. Watt × metre. Watt/metre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to An increase in the value of reactance Decrease in the value of reactance No change in the reactance value No change in the impedance value An increase in the value of reactance Decrease in the value of reactance No change in the reactance value No change in the impedance value ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation z direction. – y direction. – z direction. y direction. z direction. – y direction. – z direction. y direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to 2RBT. R2BT. RBT. R2B / T. 2RBT. R2BT. RBT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP